package cn.edu.zsc.rbac.view;

import cn.edu.zsc.rbac.domain.dto.DeptDto;
import cn.edu.zsc.rbac.domain.vo.DeptVo;
import cn.edu.zsc.rbac.domain.vo.Result;
import cn.edu.zsc.rbac.service.IDeptService;
import cn.edu.zsc.rbac.service.array.DeptService;
import cn.edu.zsc.rbac.util.DateTimeUtils;

public class DeptView extends BaseView<DeptVo,IDeptService>{

    private static final String MENU = """
            ---------------
            |   部门管理   |
            ---------------
            |  0  返回上级  |
            |  1  部门列表  |
            |  2  创建部门  |
            |  3  更新部门  |
            |  4  删除部门  |
            ---------------
            请输入选项:""";
    private static DeptView singleton;

    private DeptView() {
        service = DeptService.getInstance();
    }

    public static DeptView getInstance() {
        if (singleton == null) {
            singleton = new DeptView();
        }
        return singleton;
    }

    /**
     * 显示界面
     */
    public void show() {
        String menuChoice;
        do {
            System.out.println(MENU);
            menuChoice = MainView.input.nextLine();
            switch (menuChoice) {//增强型switch
                case "0" -> System.out.println("已返回上级菜单！");
                case "1" -> list();
                case "2" -> create();
                case "3" -> update();
                case "4" -> delete();
                default -> System.out.println("输入非法，请输入正确的菜单编号！");
            }
        } while (!"0".equals(menuChoice));
    }


    public void list() {
        Result result = service.list();
        cache = (DeptVo[]) result.data;
        System.out.println("ID\t\t部门名称\t\t部门电话\t\t更新时间");
        for (DeptVo dept : cache) {
            System.out.printf("%d\t\t%s\t\t%s\t\t%s\n", dept.id, dept.name, dept.phone, DateTimeUtils.format(dept.updateAt));
        }
    }

    public void create() {
        System.out.println("请输入部门名称:");
        String name = MainView.input.nextLine();
        System.out.println("请输入部门电话:");
        String phone = MainView.input.nextLine();
        DeptDto dto = new DeptDto(name, phone);
        Result result = service.create(dto);
        if (!result.success) {
            printError(result.message);
            return;
        }
        System.out.println(result.message);
        list();
    }

    public void update() {
        DeptVo dept = getCacheById();
        if (dept == null) {
            return;
        }

        System.out.println("请输入部门名称，直接按回车表示不修改：");
        String name = MainView.input.nextLine();
        name = "".equals(name) ? dept.name : name;
        System.out.println("请输入电话，直接按回车表示不修改：");
        String phone = MainView.input.nextLine();
        phone = "".equals(phone) ? dept.phone : phone;

        DeptDto dto = new DeptDto(name, phone);

        Result result = service.update(dto, dept.id);

        if (!result.success) {
            printError(result.message);
            return;
        }

        System.out.println(result.message);
        list();
    }

    public void delete() {
        DeptVo dept = getCacheById();
        if (dept == null) {
            return;
        }

        System.out.println("输入'Y'确认删除，输入其他则取消删除：");
        String confirm = MainView.input.nextLine();

        if (!"Y".equalsIgnoreCase(confirm)) {
            System.out.println("您已取消删除");
        }

        Result result = service.delete(dept.id);

        if (!result.success) {
            printError(result.message);
            return;
        }

        System.out.println(result.message);
        list();
    }

}